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\(\frac{5}{11}\times\frac{121}{27}< x< \frac{100}{21}:\frac{25}{126}\)
Ta có : \(\frac{5}{11}\times\frac{121}{27}=\frac{55}{27}\)
Ta có : \(\frac{100}{21}:\frac{25}{126}=24=\frac{648}{27}\)
\(\Leftrightarrow\frac{55}{27}< x< \frac{648}{27}\)
\(\Leftrightarrow x\in\text{{}\frac{56}{27};\frac{57}{27}:\frac{58}{27};......;\frac{647}{27};\frac{648}{27}\)}
Vậy ...........
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\(x=1;2\)
Vì \(1;2>0\)nhưng \(< 2,03\)
X=2
vì 0,8<2>2,03
chúc bạn học tốt